static void
start_cards()
{
int drv, i, n = num_sound_cards;
struct card_info *ci = snd_installed_cards ;
sound_started = 1;
if (trace_init)
printf("Sound initialization started\n");
/*
* Check the number of cards actually defined in the table
*/
for (i = 0; i < n && snd_installed_cards[i].card_type; i++)
num_sound_cards = i + 1;
for (i = 0; i < n && ci->card_type; ci++, i++)
if (ci->enabled) {
if ((drv = snd_find_driver(ci->card_type)) == -1) {
ci->enabled = 0; /* Mark as not detected */
continue;
}
ci->config.card_subtype = sound_drivers[drv].card_subtype;
if (sound_drivers[drv].probe(&(ci->config)))
sound_drivers[drv].attach(&(ci->config));
else
ci->enabled = 0; /* Mark as not detected */
}
if (trace_init)
printf("Sound initialization complete\n");
}
int
sndtable_init_card(int unit, struct address_info * hw_config)
{
int i, n = num_sound_cards;
struct card_info *ci = snd_installed_cards ;
DDB(printf("sndtable_init_card(%d) entered\n", unit));
if (!unit) {
sndtable_init() ;
return TRUE;
}
for (i = 0; i < n && ci->card_type; ci++, i++)
if (ci->card_type == unit) {
int drv;
ci->config.io_base = hw_config->io_base;
ci->config.irq = hw_config->irq;
ci->config.dma = hw_config->dma;
ci->config.dma2 = hw_config->dma2;
ci->config.name = hw_config->name;
ci->config.always_detect = hw_config->always_detect;
ci->config.card_subtype = hw_config->card_subtype;
ci->config.osp = hw_config->osp;
if ((drv = snd_find_driver(ci->card_type)) == -1)
ci->enabled = 0; /* Mark not fnd */
else {
DDB(printf("Located card - calling attach routine\n"));
sound_drivers[drv].attach(hw_config) ;
DDB(printf("attach routine finished\n"));
}
start_services();
return TRUE;
}
DDB(printf("sndtable_init_card: No card defined with type=%d, num cards: %d\n",
unit, num_sound_cards));
return FALSE;
}
static int sound_proc_get_info(char *buffer, char **start, off_t offset, int length, int inout)
{
int len, i, drv;
off_t pos = 0;
off_t begin = 0;
#ifdef MODULE
#define MODULEPROCSTRING "Driver loaded as a module"
#else
#define MODULEPROCSTRING "Driver compiled into kernel"
#endif
down(&uts_sem);
len = sprintf(buffer, "OSS/Free:" SOUND_VERSION_STRING "\n"
"Load type: " MODULEPROCSTRING "\n"
"Kernel: %s %s %s %s %s\n"
"Config options: %x\n\nInstalled drivers: \n",
system_utsname.sysname, system_utsname.nodename, system_utsname.release,
system_utsname.version, system_utsname.machine, SELECTED_SOUND_OPTIONS);
up(&uts_sem);
for (i = 0; (i < num_sound_drivers) && (pos <= offset + length); i++) {
if (!sound_drivers[i].card_type)
continue;
len += sprintf(buffer + len, "Type %d: %s\n",
sound_drivers[i].card_type, sound_drivers[i].name);
pos = begin + len;
if (pos < offset) {
len = 0;
begin = pos;
}
}
len += sprintf(buffer + len, "\nCard config: \n");
for (i = 0; (i < num_sound_cards) && (pos <= offset + length); i++)
{
if (!snd_installed_cards[i].card_type)
continue;
if (!snd_installed_cards[i].enabled)
len += sprintf(buffer + len, "(");
if ((drv = snd_find_driver(snd_installed_cards[i].card_type)) != -1)
len += sprintf(buffer + len, "%s", sound_drivers[drv].name);
if (snd_installed_cards[i].config.io_base)
len += sprintf(buffer + len, " at 0x%x", snd_installed_cards[i].config.io_base);
if (snd_installed_cards[i].config.irq != 0)
len += sprintf(buffer + len, " irq %d", abs(snd_installed_cards[i].config.irq));
if (snd_installed_cards[i].config.dma != -1) {
len += sprintf(buffer + len, " drq %d", snd_installed_cards[i].config.dma);
if (snd_installed_cards[i].config.dma2 != -1)
len += sprintf(buffer + len, ",%d", snd_installed_cards[i].config.dma2);
}
if (!snd_installed_cards[i].enabled)
len += sprintf(buffer + len, ")");
len += sprintf(buffer + len, "\n");
pos = begin + len;
if (pos < offset) {
len = 0;
begin = pos;
}
}
if (!sound_started)
len += sprintf(buffer + len, "\n\n***** Sound driver not started *****\n\n");
#ifndef CONFIG_AUDIO
len += sprintf(buffer + len, "\nAudio devices: NOT ENABLED IN CONFIG\n");
#else
len += sprintf(buffer + len, "\nAudio devices:\n");
for (i = 0; (i < num_audiodevs) && (pos <= offset + length); i++) {
if (audio_devs[i] == NULL)
continue;
len += sprintf(buffer + len, "%d: %s%s\n", i, audio_devs[i]->name,
audio_devs[i]->flags & DMA_DUPLEX ? " (DUPLEX)" : "");
pos = begin + len;
if (pos < offset) {
len = 0;
begin = pos;
}
}
#endif
#ifndef CONFIG_SEQUENCER
len += sprintf(buffer + len, "\nSynth devices: NOT ENABLED IN CONFIG\n");
#else
len += sprintf(buffer + len, "\nSynth devices:\n");
for (i = 0; (i < num_synths) && (pos <= offset + length); i++) {
if (synth_devs[i] == NULL)
continue;
len += sprintf(buffer + len, "%d: %s\n", i, synth_devs[i]->info->name);
pos = begin + len;
if (pos < offset) {
len = 0;
begin = pos;
}
}
#endif
#ifndef CONFIG_MIDI
len += sprintf(buffer + len, "\nMidi devices: NOT ENABLED IN CONFIG\n");
#else
len += sprintf(buffer + len, "\nMidi devices:\n");
for (i = 0; (i < num_midis) && (pos <= offset + length); i++) {
if (midi_devs[i] == NULL)
continue;
len += sprintf(buffer + len, "%d: %s\n", i, midi_devs[i]->info.name);
pos = begin + len;
if (pos < offset) {
len = 0;
begin = pos;
}
}
#endif
#ifdef CONFIG_SEQUENCER
len += sprintf(buffer + len, "\nTimers:\n");
for (i = 0; (i < num_sound_timers) && (pos <= offset + length); i++) {
if (sound_timer_devs[i] == NULL)
continue;
len += sprintf(buffer + len, "%d: %s\n", i, sound_timer_devs[i]->info.name);
pos = begin + len;
if (pos < offset) {
len = 0;
begin = pos;
}
}
#endif
len += sprintf(buffer + len, "\nMixers:\n");
for (i = 0; (i < num_mixers) && (pos <= offset + length); i++) {
if (mixer_devs[i] == NULL)
continue;
len += sprintf(buffer + len, "%d: %s\n", i, mixer_devs[i]->name);
pos = begin + len;
if (pos < offset) {
len = 0;
begin = pos;
}
}
*start = buffer + (offset - begin);
len -= (offset - begin);
if (len > length)
len = length;
return len;
}
int
sndtable_probe(int unit, struct address_info * hw_config)
{
int i, sel = -1, n = num_sound_cards;
struct card_info *ci = snd_installed_cards ;
DDB(printf("-- sndtable_probe(%d)\n", unit));
/*
* for some reason unit 0 always succeeds ?
*/
if (!unit)
return TRUE;
sound_started = 1;
for (i=0; i<n && sel== -1 && ci->card_type; ci++, i++)
if ( (ci->enabled) && (ci->card_type == unit) ) {
/* DDB(printf("-- found card %d\n", i) ); */
sel = i; /* and break */
}
/*
* not found. Creates a new entry in the table for this unit.
*/
if (sel == -1 && num_sound_cards < max_sound_cards) {
int i;
i = sel = (num_sound_cards++);
DDB(printf("-- installing card %d\n", i) );
ci = &snd_installed_cards[sel] ;
ci->card_type = unit;
ci->enabled = 1;
}
/* DDB(printf("-- installed card %d\n", sel) ); */
if (sel != -1) {
int drv;
ci->config.io_base = hw_config->io_base;
ci->config.irq = hw_config->irq;
ci->config.dma = hw_config->dma;
ci->config.dma2 = hw_config->dma2;
ci->config.name = hw_config->name;
ci->config.always_detect = hw_config->always_detect;
ci->config.card_subtype = hw_config->card_subtype;
ci->config.osp = hw_config->osp;
if ((drv = snd_find_driver(ci->card_type)) == -1) {
ci->enabled = 0;
DDB(printf("Failed to find driver\n"));
return FALSE;
}
DDB(printf("-- Driver name '%s' probe 0x%08x\n",
sound_drivers[drv].name, sound_drivers[drv].probe));
hw_config->card_subtype =
ci->config.card_subtype = sound_drivers[drv].card_subtype;
if (sound_drivers[drv].probe(hw_config)) {
DDB(printf("-- Hardware probed OK\n"));
return TRUE;
}
DDB(printf("-- Failed to find hardware\n"));
ci->enabled = 0; /* mark as not detected */
return FALSE;
}
return FALSE;
}
